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  • Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4Sterling Metallic 2026 GMC Sierra 3500 AT4

    $77,249

    MSRP $81,120

    Est. $1,451/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $81,558

    MSRP $85,675

    Est. $1,532/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $90,694

    MSRP $95,715

    Est. $1,703/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $99,508

    MSRP $105,315

    Est. $1,869/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Summit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLTSummit White 2026 GMC Sierra 3500 SLT

    $82,849

    MSRP $87,425

    Est. $1,556/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Summit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 DenaliSummit White 2026 GMC Sierra 3500 Denali

    $81,107

    MSRP $85,180

    Est. $1,523/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $91,145

    MSRP $96,210

    Est. $1,712/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $91,691

    MSRP $96,810

    Est. $1,722/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $100,083

    MSRP $105,915

    Est. $1,880/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Titanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 DenaliTitanium Rush Metallic 2026 GMC Sierra 3500 Denali

    $99,508

    MSRP $105,315

    Est. $1,869/mo

    Mark Allen Buick GMC

    4.8
    Check Availability
    Collinsville, OK (29 mi)
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  • Dune 2026 GMC Sierra 3500 AT4

    $84,475

    MSRP $91,975

    Est. $1,587/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    $399 delivery from Decatur, TX (201 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $82,315

    MSRP $89,815

    Est. $1,546/mo

    James Wood Motors, Inc

    4.8
    Check Availability
    $399 delivery from Decatur, TX (201 mi)
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  • Onyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali UltimateOnyx Black 2026 GMC Sierra 3500 Denali Ultimate

    $98,735

    Est. $1,854/mo

    Vance Auto Group Guthrie

    4.4
    Check Availability
    Guthrie, OK (50 mi)
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  • Glacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 Denali

    $87,965

    Est. $1,652/mo

    Vance Auto Group Guthrie

    4.4
    Check Availability
    Guthrie, OK (50 mi)
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  • Glacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 Denali

    $85,660

    Est. $1,609/mo

    Ferguson Superstore

    4.9
    Check Availability
    Broken Arrow, OK (44 mi)
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  • Summit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLESummit White 2026 GMC Sierra 3500 SLE

    $68,810

    Est. $1,292/mo

    Vance Auto Group Guthrie

    4.4
    Check Availability
    Guthrie, OK (50 mi)
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  • Dune 2026 GMC Sierra 3500 SLE

    $72,489

    MSRP $74,690

    Est. $1,362/mo

    Seth Wadley Chevrolet GMC of Perry

    4.4
    Check Availability
    Perry, OK (48 mi)
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  • $104,787

    9 mi.
    Est. $1,968/mo

    Seth Wadley Chevrolet GMC of Perry

    4.4
    Check Availability
    Perry, OK (48 mi)
    Quick view

About the 2026 GMC Sierra 3500

Basics

Pro shown (base trim).

Seating
2
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
0
Transmission
10-Speed A/T
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2026 GMC Sierra 3500
FAQs

How much does the 2026 GMC Sierra 3500 cost?

The 2026 GMC Sierra 3500 price depends on trim level and optional features. Prices typically start at $48,200 and go as high as $97,800 for fully loaded models.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500?

The 2026 GMC Sierra 3500 compares to and/or competes against the following vehicles:


Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $73,400 Starting at $73,600
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $76,300 Starting at $76,500
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 172" Denali Ultimate 4WD Crew Cab 159" Denali Ultimate
Inventory price
Starting at $97,800 Starting at $97,600
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Pro (8 styles)

Style
4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 2WD Crew Cab 172" Pro 4WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Reg Cab 142" Pro 2WD Reg Cab 142" Pro
Inventory price
Starting at $53,100 Starting at $50,300 Starting at $52,100 Starting at $54,900 Starting at $51,900 Starting at $54,700 Starting at $51,000 Starting at $48,200
Combined MPG
0 0 0 0 0 0 0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLE (4 styles)

Style
4WD Double Cab 162" SLE 4WD Reg Cab 142" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $57,500 Starting at $55,200 Starting at $59,300 Starting at $59,100
Combined MPG
0 0 0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLT (2 styles)

Style
4WD Crew Cab 172" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $66,600 Starting at $66,400
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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